Edgar Lustgarten

Character: Presenter

Russell Napier

Character: Inspector Duggan

Vernon Greeves

Character: Sergeant

Carl Jaffe

Character: Nicholls

Sylvia Marriott

Character: Janet Nicholls

Roger Delgado

Character: Commissario

Dino Galvani

Character: Director of Cellini Gallery in Rome

Alec Finter

Character: Doctor Harding

Joan Cross

Character: Maid (Nancy Morgan)

Glyn Houston

Character: Bates

Margot Bryant

Character: Mrs. Bailey

Barbara Bruce

Character: Mrs. Wiggins